@article{MZM_1982_32_6_a3,
     author = {L. L. Dyukova},
     title = {Conditions for the existence of a system of different set representatives},
     journal = {Matemati\v{c}eskie zametki},
     pages = {789--798},
     publisher = {mathdoc},
     volume = {32},
     number = {6},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1982_32_6_a3/}
}